[PATCH] sky2: limit coalescing values to ring size
Don't allow coalescing values to be bigger than the transmit ring. Since if you set them that big, the interrupt never happens and driver livelocks. Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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@ -2884,11 +2884,11 @@ static int sky2_set_coalesce(struct net_device *dev,
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(ecmd->rx_coalesce_usecs_irq < tmin || ecmd->rx_coalesce_usecs_irq > tmax))
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return -EINVAL;
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if (ecmd->tx_max_coalesced_frames > 0xffff)
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if (ecmd->tx_max_coalesced_frames >= TX_RING_SIZE-1)
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return -EINVAL;
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if (ecmd->rx_max_coalesced_frames > 0xff)
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if (ecmd->rx_max_coalesced_frames > RX_MAX_PENDING)
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return -EINVAL;
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if (ecmd->rx_max_coalesced_frames_irq > 0xff)
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if (ecmd->rx_max_coalesced_frames_irq >RX_MAX_PENDING)
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return -EINVAL;
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if (ecmd->tx_coalesce_usecs == 0)
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